1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
svetlana [45]
2 years ago
9

Which is a correct first step for solving this equation? - 32 + 2 - 52 - 7 = 4x + 2

Mathematics
1 answer:
MArishka [77]2 years ago
6 0

Answer:

-8x - 5 = 4x + 2

You might be interested in
Mary has $40\%$ fewer marbles than Jolie. If they combine all their marbles in a single bag, what percent of the marbles in the
Gwar [14]
Google the question to find the answer
6 0
3 years ago
The sum of the squares of two consecutive positive even numbers is 340. Find the numbers
puteri [66]

Answer:

The two consecutive even numbers are 12 and 14.

Step-by-step explanation:

Set up the equation, which turns out to be a quadratic, solve for n:

(2n)^2+(2(n+1))^2=340\\4n^2+4n^2+8n+4=340\\8n^2+8n-336=0\\n^2+n-42=0\\\implies (n_1=-7),\,\,\,n_2=6

We are looking for positive even numbers, so the solution -7 is not valid. The solution for n is 6, and the two consecutive even numbers are:

2*6=12

2*7=14

Test: 12*12 + 14*14 = 340


7 0
3 years ago
A line segment (DE) joining the midpoints of two sides of a triangle is
ira [324]

Answer:

This is  called a mid segment theorem in which the al ine segment (DE) joining the midpoints of two sides of a triangle is parallel to the third side.

Step-by-step explanation:

Suppose we have a triangle ABC. Then the midpoints can be located as D, E and F. If we join D , E and F another triangle is formed.

From the figure we can see that

AE≅ CE

AD≅DB

BF≅CF  

BECAUSE  all the given points are the midpoints which divide the lines into two equal halves.

If we increase the line DE to a point L we find out that DL is parallel to BC i.e. it does not meet at any point with BC. ( the two lines do not meet)

(1)

If we join C with L we find out that the the line DE is half in length to the line BC.

AS

AE= CE  (midpoints dividing into equal line segements.)

LE= DE

Triangle CEL= Triangle DEF

so

DL= BC

But DE = 1/2 DL

therefore

DE= 1/2 BC (2)

Therefore from 1 and 2 we find that a line segment (DE) joining the midpoints of two sides of a triangle is parallel to the third side

3 0
3 years ago
The area of a rectangle is 36 ft.2. What is the area of the rectangle in square yards?
mel-nik [20]

Answer:

4 square yards.

Step-by-step explanation:

Let's break the units down.

x (ft) * y (ft) = xy (ft^2)\\\\

A yard is 3 feet, so:

\frac{x}{3} (yd) * \frac{x}{3} (yd) = \frac{xy}{3^2} (yd^2) = \frac{xy}{9} (yd^2)

The area is 36 (ft^2). The individual dimensions don't matter here.

36 = xy\\\\\frac{36}{9} (yd^2)=36(ft^2)\\\\4(yd^2)=36(ft^2)

So 36 square feet is equal to 4 square yards.

8 0
3 years ago
Find the domain and range of the function {(1,2) , (2,2) , (3,2) , (4,2)}
Mnenie [13.5K]

Answer:

Step-by-step explanation:

X-coordinates are domain and y-coordinates are range

Domain= {1,2,3,4}

Range= {2}

3 0
3 years ago
Read 2 more answers
Other questions:
  • 4. Calculate the product of 8/15, 6/5, and 1/3.
    9·2 answers
  • Airplanes approaching the runway for landing are required to stay within the localizer (a certain distance left and right of the
    10·1 answer
  • Marta put $4.87 in her coin bank. Each day she added 1 quarter, 1 nickel, and 3 pennies. How much money was in her coin bank aft
    14·1 answer
  • What is the volume of a pyramid that is 15mm , 18mm , 21mm in cubic millimeters
    10·2 answers
  • What is the product?<br> (-2x - 3y ?) (-4x-3)
    13·1 answer
  • What is (2/9)^2 simplified? as a fraction<br><br> 4/81<br> 4/18<br> 4/11<br> 2/9
    10·1 answer
  • Please help me with number 2
    7·2 answers
  • Have 5 Points!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
    10·2 answers
  • Help ill give brainliest ofc
    12·1 answer
  • Examine the system of equations. Which is an equivalent form of the first equation that when added to the second equation elimin
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!